Viewing 15 posts - 16 through 30 (of 34 total)
Have you tried checksum? First you need a unique or primary key. Then calculate a checksum for each row based upon the selected column list for each primary key (or...
June 10, 2005 at 7:32 am
A third option is using OPENDATASOURCE or OPENROWSET.
March 4, 2005 at 8:12 am
I decide on what constitutes a database based upon data integrity and disaster recovery. Generally a database should contain those elements that need to be managed together to maintain data...
January 14, 2005 at 7:41 am
We have changed our loading strategy over time, and depending upon the situation and changing business requirements. As our company becomes more dependent upon our data warehouses and the warehouse tables are becoming...
December 10, 2004 at 8:38 am
We've done this by using a 'data checking' table. The data rows which are candidates are put into the working 'data checking' table which has been declared the VARCHAR columns....
October 18, 2004 at 3:21 pm
I like the CHECKSUM processing for simply identifying rows that have changed with good performance.
Another solution I have used in the past is to Bulk-copy out the two tables using...
September 24, 2004 at 7:04 am
For minimul logging you could BCP out the data using a view which would put the date on most of the records and then BCP the data back in.
September 10, 2004 at 2:25 pm
In the past I've had to defrag tables on a server where there was not enough room on the disk to expand the database to a size which would allow...
May 5, 2004 at 8:02 am
One technique I've used is to create a view which selects the rows you wish to keep, BCP out using the view, truncate the table, drop the indexes, BCP in...
March 23, 2004 at 6:12 am
We actually do this all the time. We have created a generic DOS Bat job which take parameters (server names, database names, etc.) to perform the action. We perfer the...
February 12, 2004 at 7:30 am
I typically use a date diimension when I build data warehouses. Performance is a big reason for this. Your query requires the scanning of a large number of index entries...
January 28, 2004 at 7:09 am
Our calendar table has a generated key as the primary key. The records in our data warehouse then contain the date key that corresponds to the date. The rest of...
December 23, 2003 at 7:01 am
I have also done this with a BCP by BCPing out the rows I wish to keep using a view or a select statement, truncating the table, and then BCPing...
December 5, 2003 at 7:08 am
You could use a view to order the columns however you want.
October 8, 2003 at 7:18 am
Viewing 15 posts - 16 through 30 (of 34 total)